212212332131 has 8 divisors (see below), whose sum is σ = 219063867264. Its totient is φ = 205361170560.

The previous prime is 212212332121. The next prime is 212212332229. The reversal of 212212332131 is 131233212212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212212332131 is a prime.

It is a super-2 number, since 2×212212332131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212212332097 and 212212332106.

It is not an unprimeable number, because it can be changed into a prime (212212332121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484555 + ... + 1621211.

It is an arithmetic number, because the mean of its divisors is an integer number (27382983408).

Almost surely, 2^212212332131 is an apocalyptic number.

212212332131 is a deficient number, since it is larger than the sum of its proper divisors (6851535133).

212212332131 is a wasteful number, since it uses less digits than its factorization.

212212332131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186781.

The product of its digits is 864, while the sum is 23.

Adding to 212212332131 its reverse (131233212212), we get a palindrome (343445544343).

The spelling of 212212332131 in words is "two hundred twelve billion, two hundred twelve million, three hundred thirty-two thousand, one hundred thirty-one".